EP0915306A3 - Supercritical refrigerating apparatus - Google Patents

Supercritical refrigerating apparatus Download PDF

Info

Publication number
EP0915306A3
EP0915306A3 EP98120670A EP98120670A EP0915306A3 EP 0915306 A3 EP0915306 A3 EP 0915306A3 EP 98120670 A EP98120670 A EP 98120670A EP 98120670 A EP98120670 A EP 98120670A EP 0915306 A3 EP0915306 A3 EP 0915306A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
compressor
refrigerating apparatus
supercritical refrigerating
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98120670A
Other languages
German (de)
French (fr)
Other versions
EP0915306B1 (en
EP0915306A2 (en
Inventor
Yasutaka Kuroda
Shin Nishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Publication of EP0915306A2 publication Critical patent/EP0915306A2/en
Publication of EP0915306A3 publication Critical patent/EP0915306A3/en
Application granted granted Critical
Publication of EP0915306B1 publication Critical patent/EP0915306B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/06—Details of flow restrictors or expansion valves
    • F25B2341/063—Feed forward expansion valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/17—Control issues by controlling the pressure of the condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2501—Bypass valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Safety Valves (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The supercritical refrigerating apparatus has refrigerant bypass means (700) for bypassing a heat exchanger (600) according to a physical value of the refrigerant. Therefore, the temperature of refrigerant on a suction side of the compressor (100) becomes lower than that of refrigerant sucked into the compressor via the heat exchanger. As a result, the refrigerant temperature in a refrigerant passage extending from a suction side to a discharge side of the compressor is decreased, thereby preventing breakage of the compressor.
EP98120670A 1997-11-06 1998-11-05 Supercritical refrigerating apparatus Expired - Lifetime EP0915306B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30453697 1997-11-06
JP30453697 1997-11-06
JP304536/97 1997-11-06

Publications (3)

Publication Number Publication Date
EP0915306A2 EP0915306A2 (en) 1999-05-12
EP0915306A3 true EP0915306A3 (en) 2000-04-12
EP0915306B1 EP0915306B1 (en) 2003-04-09

Family

ID=17934191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98120670A Expired - Lifetime EP0915306B1 (en) 1997-11-06 1998-11-05 Supercritical refrigerating apparatus

Country Status (3)

Country Link
US (1) US6105386A (en)
EP (1) EP0915306B1 (en)
DE (1) DE69813146T2 (en)

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JPH11193967A (en) * 1997-12-26 1999-07-21 Zexel:Kk Refrigerating cycle
FR2779216B1 (en) * 1998-05-28 2000-08-04 Valeo Climatisation VEHICLE AIR CONDITIONING DEVICE USING A SUPERCRITICAL REFRIGERANT FLUID
DE19832479A1 (en) * 1998-07-20 2000-01-27 Behr Gmbh & Co Vehicle air conditioning system employing carbon dioxide working fluid includes specially designed expansion valve having orifice with length and diameter orifice limiting maximum operational pressure
DE19832480A1 (en) * 1998-07-20 2000-01-27 Behr Gmbh & Co Vehicle air conditioning system with carbon dioxide working fluid is designed for limited variation in efficiency over a given range of high pressure deviation, avoiding need for controls on high pressure side
JP4006861B2 (en) 1998-12-09 2007-11-14 株式会社デンソー Integrated heat exchanger
DE19918617C2 (en) * 1999-04-23 2002-01-17 Valeo Klimatechnik Gmbh Gas cooler for a supercritical CO¶2¶ high pressure refrigerant circuit of an automotive air conditioning system
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
DE19944951B4 (en) * 1999-09-20 2010-06-10 Behr Gmbh & Co. Kg Air conditioning with internal heat exchanger
AU773284B2 (en) * 1999-10-18 2004-05-20 Daikin Industries, Ltd. Refrigerating device
JP2002130849A (en) * 2000-10-30 2002-05-09 Calsonic Kansei Corp Cooling cycle and its control method
DE60125146T2 (en) * 2001-05-22 2007-04-12 Zexel Valeo Climate Control Corp. Heat exchanger for air conditioning
NO20014258D0 (en) * 2001-09-03 2001-09-03 Sinvent As Cooling and heating system
KR20040091615A (en) * 2002-03-28 2004-10-28 마츠시타 덴끼 산교 가부시키가이샤 Refrigerating cycle device
JP4522641B2 (en) * 2002-05-13 2010-08-11 株式会社デンソー Vapor compression refrigerator
US6694763B2 (en) 2002-05-30 2004-02-24 Praxair Technology, Inc. Method for operating a transcritical refrigeration system
JP3903851B2 (en) * 2002-06-11 2007-04-11 株式会社デンソー Heat exchanger
JP2004184022A (en) * 2002-12-05 2004-07-02 Sanyo Electric Co Ltd Cooling medium cycle device
ATE380321T1 (en) * 2002-12-11 2007-12-15 Bms Energietechnik Ag EVAPORATION PROCESS CONTROL IN REFRIGERANT TECHNOLOGY
JP4143434B2 (en) * 2003-02-03 2008-09-03 カルソニックカンセイ株式会社 Vehicle air conditioner using supercritical refrigerant
DE10312556B4 (en) * 2003-03-21 2005-03-24 Audi Ag Air conditioning system for a vehicle, in particular for a motor vehicle
DE10338388B3 (en) * 2003-08-21 2005-04-21 Daimlerchrysler Ag Method for controlling an air conditioning system
US6923011B2 (en) * 2003-09-02 2005-08-02 Tecumseh Products Company Multi-stage vapor compression system with intermediate pressure vessel
US6959557B2 (en) * 2003-09-02 2005-11-01 Tecumseh Products Company Apparatus for the storage and controlled delivery of fluids
JP2005098635A (en) * 2003-09-26 2005-04-14 Zexel Valeo Climate Control Corp Refrigeration cycle
DE102004014591B4 (en) * 2003-10-08 2008-08-07 Lauda Dr. R. Wobser Gmbh & Co. Kg. Method for operating a compression refrigerating machine with an internal heat exchanger and use of a compression refrigerating machine for carrying out the method
US7096679B2 (en) 2003-12-23 2006-08-29 Tecumseh Products Company Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device
TWI324242B (en) * 2004-02-12 2010-05-01 Sanyo Electric Co Refrigerant cycle apparatus
US20050197585A1 (en) * 2004-03-06 2005-09-08 Transoma Medical, Inc. Vascular blood pressure monitoring system with transdermal catheter and telemetry capability
US7178362B2 (en) * 2005-01-24 2007-02-20 Tecumseh Products Cormpany Expansion device arrangement for vapor compression system
JP2008533428A (en) * 2005-03-18 2008-08-21 キャリア・コマーシャル・リフリージレーション・インコーポレーテッド High pressure side pressure regulation of transcritical vapor compression system
WO2006101570A1 (en) * 2005-03-18 2006-09-28 Carrier Commercial Refrigeration, Inc. Transcritical refrigeration with pressure addition relief valve
EP1864060A4 (en) * 2005-03-18 2010-09-29 Carrier Comm Refrigeration Inc Heat exchanger arrangement
US20080256974A1 (en) * 2005-03-18 2008-10-23 Carrier Commercial Refrigeration, Inc. Condensate Heat Transfer for Transcritical Carbon Dioxide Refrigeration System
JP2008533429A (en) * 2005-03-18 2008-08-21 キャリア・コマーシャル・リフリージレーション・インコーポレーテッド Defroster for bottle cooler and method thereof
WO2006101568A1 (en) * 2005-03-18 2006-09-28 Carrier Commercial Refrigeration, Inc. Transcritical refrigeration system with suction line heat exchanger
JP4387974B2 (en) * 2005-04-25 2009-12-24 パナソニック株式会社 Refrigeration cycle equipment
JP2006343017A (en) * 2005-06-08 2006-12-21 Sanyo Electric Co Ltd Freezer
DE102005034709B4 (en) * 2005-07-26 2008-02-21 Daimler Ag Thermostatic expansion valve
JP4661696B2 (en) 2005-12-08 2011-03-30 株式会社デンソー Supercritical refrigeration cycle
JP4569508B2 (en) * 2006-03-31 2010-10-27 株式会社デンソー Expansion valves used in supercritical and refrigeration cycles
FR2900222B1 (en) * 2006-04-25 2017-09-01 Valeo Systemes Thermiques Branche Thermique Habitacle SUPERCRITICAL CYCLE AIR CONDITIONING CIRCUIT.
US20090192514A1 (en) * 2007-10-09 2009-07-30 Feinberg Stephen E Implantable distraction osteogenesis device and methods of using same
US8087256B2 (en) * 2007-11-02 2012-01-03 Cryomechanics, LLC Cooling methods and systems using supercritical fluids
JP2009190579A (en) * 2008-02-14 2009-08-27 Calsonic Kansei Corp Air conditioning system
DE102008046590A1 (en) * 2008-09-10 2010-03-11 Bayerische Motoren Werke Aktiengesellschaft Vehicle air-conditioning system, has switching element for changing heat transfer capacity, and bypass for bypassing of fluid connection, so that transferred thermal capacity is reduced to zero
US8156754B2 (en) * 2009-03-13 2012-04-17 Denso International America, Inc. Carbon dioxide refrigerant-coolant heat exchanger
WO2011066214A1 (en) 2009-11-25 2011-06-03 Carrier Corporation Low suction pressure protection for refrigerant vapor compression system
FR2954463B1 (en) * 2009-12-17 2013-08-02 Valeo Systemes Thermiques DELIVERY BLOCK OF A REFRIGERANT FLUID CIRCULATING WITHIN A CLIMATEING LOOP AND AIR CONDITIONING LOOP COMPRISING SUCH A DELIVERY BLOCK
DE102013113229A1 (en) * 2013-11-29 2015-06-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Refrigeration system for a motor vehicle with central or rear engine and method for air conditioning of a motor vehicle with central or rear engine
DE102013113221B4 (en) * 2013-11-29 2024-05-29 Denso Automotive Deutschland Gmbh Internal heat exchanger with variable heat transfer
EP3015791A1 (en) * 2014-10-29 2016-05-04 Eppendorf Ag Centrifuge with a compressor cooling circuit and method for operating a centrifuge with a compressor cooling circuit
KR101854335B1 (en) 2016-01-18 2018-05-03 엘지전자 주식회사 Air Conditioner
DE102016203758A1 (en) 2016-03-08 2017-09-28 Volkswagen Aktiengesellschaft Air conditioning and motor vehicle with air conditioning
JP6948796B2 (en) * 2017-01-24 2021-10-13 三菱重工サーマルシステムズ株式会社 Refrigerant circuit system and control method
KR20230068815A (en) 2021-11-11 2023-05-18 현대자동차주식회사 Refrigerant moudule of integrated thermal management system for vehicle
KR20230068814A (en) 2021-11-11 2023-05-18 현대자동차주식회사 Refrigerant moudule of integrated thermal management system for vehicle
KR20230090753A (en) * 2021-12-15 2023-06-22 현대자동차주식회사 Heat exchanger and refrigerant moudule of integrated thermal management system for vehicle including the same

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US5479789A (en) * 1994-12-29 1996-01-02 Aire Solutions, Inc. Heat exchanger for a heat pump
EP0701096A2 (en) * 1994-09-09 1996-03-13 Mercedes-Benz Ag Method for operating a cold producing installation for air conditioning of vehicles and cold producing installation carrying out the same
EP0779481A2 (en) * 1995-12-15 1997-06-18 Showa Aluminum Corporation Refrigeration cycle system
WO1999034156A1 (en) * 1997-12-26 1999-07-08 Zexel Corporation Refrigerating cycle

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Patent Citations (5)

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WO1990007683A1 (en) * 1989-01-09 1990-07-12 Sinvent As Trans-critical vapour compression cycle device
EP0701096A2 (en) * 1994-09-09 1996-03-13 Mercedes-Benz Ag Method for operating a cold producing installation for air conditioning of vehicles and cold producing installation carrying out the same
US5479789A (en) * 1994-12-29 1996-01-02 Aire Solutions, Inc. Heat exchanger for a heat pump
EP0779481A2 (en) * 1995-12-15 1997-06-18 Showa Aluminum Corporation Refrigeration cycle system
WO1999034156A1 (en) * 1997-12-26 1999-07-08 Zexel Corporation Refrigerating cycle

Also Published As

Publication number Publication date
DE69813146T2 (en) 2004-01-08
US6105386A (en) 2000-08-22
EP0915306B1 (en) 2003-04-09
EP0915306A2 (en) 1999-05-12
DE69813146D1 (en) 2003-05-15

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